Documentation/devicetree/bindings/phy/allwinner,sun8i-h3-usb-phy.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/phy/allwinner,sun8i-h3-usb-phy.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Allwinner H3 USB PHY Device Tree Bindings
   8
   9 maintainers:
  10   - Chen-Yu Tsai <wens@csie.org>
  11   - Maxime Ripard <mripard@kernel.org>
  12
  13 properties:
  14   "#phy-cells":
  15     const: 1
  16
  17   compatible:
  18     const: allwinner,sun8i-h3-usb-phy
  19
  20   reg:
  21     items:
  22       - description: PHY Control registers
  23       - description: PHY PMU0 registers
  24       - description: PHY PMU1 registers
  25       - description: PHY PMU2 registers
  26       - description: PHY PMU3 registers
  27
  28   reg-names:
  29     items:
  30       - const: phy_ctrl
  31       - const: pmu0
  32       - const: pmu1
  33       - const: pmu2
  34       - const: pmu3
  35
  36   clocks:
  37     items:
  38       - description: USB OTG PHY bus clock
  39       - description: USB Host 0 PHY bus clock
  40       - description: USB Host 1 PHY bus clock
  41       - description: USB Host 2 PHY bus clock
  42
  43   clock-names:
  44     items:
  45       - const: usb0_phy
  46       - const: usb1_phy
  47       - const: usb2_phy
  48       - const: usb3_phy
  49
  50   resets:
  51     items:
  52       - description: USB OTG reset
  53       - description: USB Host 1 Controller reset
  54       - description: USB Host 2 Controller reset
  55       - description: USB Host 3 Controller reset
  56
  57   reset-names:
  58     items:
  59       - const: usb0_reset
  60       - const: usb1_reset
  61       - const: usb2_reset
  62       - const: usb3_reset
  63
  64   usb0_id_det-gpios:
  65     description: GPIO to the USB OTG ID pin
  66
  67   usb0_vbus_det-gpios:
  68     description: GPIO to the USB OTG VBUS detect pin
  69
  70   usb0_vbus_power-supply:
  71     description: Power supply to detect the USB OTG VBUS
  72
  73   usb0_vbus-supply:
  74     description: Regulator controlling USB OTG VBUS
  75
  76   usb1_vbus-supply:
  77     description: Regulator controlling USB1 Host controller
  78
  79   usb2_vbus-supply:
  80     description: Regulator controlling USB2 Host controller
  81
  82   usb3_vbus-supply:
  83     description: Regulator controlling USB3 Host controller
  84
  85 required:
  86   - "#phy-cells"
  87   - compatible
  88   - clocks
  89   - clock-names
  90   - reg
  91   - reg-names
  92   - resets
  93   - reset-names
  94
  95 additionalProperties: false
  96
  97 examples:
  98   - |
  99     #include <dt-bindings/gpio/gpio.h>
 100     #include <dt-bindings/clock/sun8i-h3-ccu.h>
 101     #include <dt-bindings/reset/sun8i-h3-ccu.h>
 102
 103     phy@1c19400 {
 104         #phy-cells = <1>;
 105         compatible = "allwinner,sun8i-h3-usb-phy";
 106         reg = <0x01c19400 0x2c>,
 107               <0x01c1a800 0x4>,
 108               <0x01c1b800 0x4>,
 109               <0x01c1c800 0x4>,
 110               <0x01c1d800 0x4>;
 111         reg-names = "phy_ctrl",
 112                     "pmu0",
 113                     "pmu1",
 114                     "pmu2",
 115                     "pmu3";
 116         clocks = <&ccu CLK_USB_PHY0>,
 117                  <&ccu CLK_USB_PHY1>,
 118                  <&ccu CLK_USB_PHY2>,
 119                  <&ccu CLK_USB_PHY3>;
 120         clock-names = "usb0_phy",
 121                       "usb1_phy",
 122                       "usb2_phy",
 123                       "usb3_phy";
 124         resets = <&ccu RST_USB_PHY0>,
 125                  <&ccu RST_USB_PHY1>,
 126                  <&ccu RST_USB_PHY2>,
 127                  <&ccu RST_USB_PHY3>;
 128         reset-names = "usb0_reset",
 129                       "usb1_reset",
 130                       "usb2_reset",
 131                       "usb3_reset";
 132         usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
 133         usb0_vbus-supply = <&reg_usb0_vbus>;
 134         usb1_vbus-supply = <&reg_usb1_vbus>;
 135         usb2_vbus-supply = <&reg_usb2_vbus>;
 136         usb3_vbus-supply = <&reg_usb3_vbus>;
 137     };